<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        span{
            display: inline-block;
            width: 80px;
            height: 50px;
            background-color: #ff0000;
            color: white;
            text-align: center;
            line-height: 50px;
        }
        span:hover{
            background-color: #ffa500;
        }
    </style>
</head>
<body>
<span>导航1</span>
<span>导航2</span>
<span>导航3</span>
<span>导航4</span>
<span>导航5</span>
</body>
</html>